Update CI/CD pipeline provider decision status

Author: rwols

dev_docs/decisions/0001-change-cicd-pipeline-service-provider.md

@@ -1,9 +1,9 @@
 # Change CI/CD pipeline service provider
 
 * Status:
-    * [x] proposed
+    * [ ] proposed
     * [ ] rejected
-    * [ ] accepted
+    * [x] accepted
     * [ ] deprecated
     * [ ] superseded by ...
 
@@ -62,4 +62,8 @@ Chosen option: "Github Actions", because
 * Bad, because we do not want to switch code repos at the moment
     * Yes there are ways to use a gitlab pipeline with a github repo, but why bother?
 
+## Resolution
+
+We went with Github Actions.
+
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